June 1942. Boiler welder at Combustion Engineering in Chattanooga, Tennessee. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

October 1942. "American mothers and sisters, like these women at the Douglas Aircraft Company plant in Long Beach, California, give important help in producing dependable planes for their men at the front." View full size. 4x5 Kodachrome transparency by Alfred Palmer for the Office of War Information.

May 1942. Marines training in barrage balloon technique at Parris Island, South Carolina. View full size. 4x5 Kodachrome transparency by Alfred Palmer.

Summer 1936. Children of sharecropper Frank Tengle at their Hale County, Alabama, cabin. View full size. 35mm nitrate negative by Walker Evans.

Summer of 1936. William Edward "Bud" Fields, wife Lily Rogers Fields and infant daughter Lilian at their sharecropper cabin in Hale County, Alabama. Photograph by Walker Evans for the Farm Security Administration. View full size.

Summer 1936. Lily Rogers Fields and two of her children in their Hale County, Alabama, cabin. Husband is cotton sharecropper Bud Fields. View full size. 35mm nitrate negative by Walker Evans for the Farm Security Administration.

Lester Picker listens to his shortwave radio through earphones while convalescing after breaking his back when he fell 55 feet erecting an aerial for the radio. Photograph by Underwood & Underwood, April 18, 1922. View full size. (Updated with additional information on Lester — click here and scroll down.)